and announced it abrogated the previous non-aggression agreement. On 23 November 2010, North Korea's artillery fired at South Korea's Yeonpyeong island in the Yellow Sea and South Korea returned fire. Two South Korean marines and two civilians were killed, more than a dozen were wounded, including three civilians. About 10 North Koreans were believed to be killed; however, the North Korean government denies this. The town was evacuated and South Korea warned of stern retaliation, with President Lee Myung-bak ordering the destruction of a nearby North Korea missile base if further provocation should occur. The official North Korean news agency, KCNA, stated that North Korea only fired after the South had "recklessly fired into our sea area". In 2011 it was revealed that North Korea abducted four high-ranking South Korean military officers in 1999. Park Geun-hye government On 12 December 2012, North Korea launched the Kwangmyŏngsŏng-3 Unit 2, a scientific and technological satellite, and it reached orbit. In response, the United States deployed its warships in the region. January–September 2013 saw an escalation of tensions between North Korea and South Korea, the United States, and Japan that began because of United Nations Security Council Resolution 2087, which condemned North Korea for the launch of Kwangmyŏngsŏng-3 Unit 2. The crisis was marked by extreme escalation of rhetoric by the new North Korean administration under Kim Jong-un and actions suggesting imminent nuclear attacks against South Korea, Japan, and the United States. The King 2 Hearts () was a 2012 South Korean television series, starring Ha Ji-won and Lee Seung-gi in the leading roles. It was about a South Korean crown prince who falls in love with a North Korean special agent. The series aired on MBC from 21 March to 24 May 2012 on Wednesdays and Thursdays at 21:55 for 20 episodes. On 24 March 2014, a crashed North Korean drone was found near Paju, the onboard cameras contained pictures of the Blue House and military installations near the DMZ. On 31 March, following an exchange of artillery fire into the waters of the NLL, a North Korean drone was found crashed on Baengnyeongdo. On 15 September, wreckage of a suspected North Korean drone was found by a fisherman in the waters near Baengnyeongdo, the drone was reported to be similar to one of the North Korean drones which had crashed in March 2014. According to a 2014 BBC World Service poll,